Home / 112,803,833.75-169,206,334.52-51,350,015.34

Finding the Fourth Proportional to 112,803,833.75, 169,206,334.52 and 51,350,015.34

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Solution

The fourth proportional to 112,803,833.75, 169,206,334.52 and 51,350,015.34 is: 77,025,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803,833.75 : 169,206,334.52 = 51,350,015.34 : x
  2. Step 2: Convert to fraction form
    112,803,833.75/169,206,334.52 = 51,350,015.34/x
  3. Step 3: Cross multiply
    112,803,833.75x = 169,206,334.52 × 51,350,015.34
  4. Step 4: Simplify right side
    112,803,833.75x = 8,688,747,872,970,421
  5. Step 5: Solve for x
    x = 8,688,747,872,970,421/112,803,833.75
  6. Step 6: Final answer
    x = 77,025,288.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.